121316763 has 8 divisors (see below), whose sum is σ = 162184000. Its totient is φ = 80663688.

The previous prime is 121316761. The next prime is 121316779. The reversal of 121316763 is 367613121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121316763 - 2¹ = 121316761 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121316763.

It is not an unprimeable number, because it can be changed into a prime (121316761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52213 + ... + 54486.

It is an arithmetic number, because the mean of its divisors is an integer number (20273000).

Almost surely, 2^121316763 is an apocalyptic number.

121316763 is a deficient number, since it is larger than the sum of its proper divisors (40867237).

121316763 is a wasteful number, since it uses less digits than its factorization.

121316763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107081.

The product of its digits is 4536, while the sum is 30.

The square root of 121316763 is about 11014.3889072431. The cubic root of 121316763 is about 495.0399763653.

Adding to 121316763 its reverse (367613121), we get a palindrome (488929884).

The spelling of 121316763 in words is "one hundred twenty-one million, three hundred sixteen thousand, seven hundred sixty-three".